/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.r2dbc.postgresql;

import io.r2dbc.postgresql.client.Binding;

class DisabledStatementCache implements StatementCache {

    static final DisabledStatementCache INSTANCE = new DisabledStatementCache();

    private static final String UNNAMED_STATEMENT_NAME = "";

    DisabledStatementCache() {
    }

    @Override
    public String getName(Binding binding, String sql) {
        return UNNAMED_STATEMENT_NAME;
    }

    @Override
    public boolean requiresPrepare(Binding binding, String sql) {
        return true;
    }

    @Override
    public void put(Binding binding, String sql, String name) {
    }

    @Override
    public void evict(String sql) {
    }

    @Override
    public String toString() {
        return "DisabledStatementCache";
    }

}
